Home / 134,244.60-201,356.36-78,048.88

Finding the Fourth Proportional to 134,244.60, 201,356.36 and 78,048.88

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Solution

The fourth proportional to 134,244.60, 201,356.36 and 78,048.88 is: 117,067.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,244.60 : 201,356.36 = 78,048.88 : x
  2. Step 2: Convert to fraction form
    134,244.60/201,356.36 = 78,048.88/x
  3. Step 3: Cross multiply
    134,244.60x = 201,356.36 × 78,048.88
  4. Step 4: Simplify right side
    134,244.60x = 15,715,638,378.88
  5. Step 5: Solve for x
    x = 15,715,638,378.88/134,244.60
  6. Step 6: Final answer
    x = 117,067.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.